NL25 KK line check

[Everlong]

I went down to NL25 cause I am running really really bad + I want to prove to myself that I can actually beat it. So far I can't. I just don't understand. I cruised through NL50 and beat NL100 but NL25 is an enigma veiled in a sack of [censored].

Anyway on to the hand. Pretty standard preflop. Then 2 aces flop.

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($25.40)
BB ($31.55)
UTG ($28.85)
MP ($19.05)
CO ($59.45)
Hero ($27.85)

Preflop: Hero is Button with K[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, MP calls $0.25, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $1.2</font>, <font color="#666666">1 fold</font>, BB calls $0.95, MP calls $0.95.

Flop: ($3.70) A[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, MP checks, <font color="#CC3333">Hero bets $3.5</font>, BB folds, MP folds.

Final Pot: $7.20